What was the major restriction of the collodion wet-plate process?

The major restriction of the collodion wet-plate process was the necessity for the photographer to prepare and expose the glass plates while they were still wet, which limited the time available for taking a photograph. This required a portable darkroom and meticulous timing, making it challenging for outdoor or spontaneous shooting. Additionally, the process was labor-intensive and required careful handling to prevent the plates from drying out or being damaged.